I am signed up with all of these survey sites, and combined, they bring in a nice side income from home! With Opinion Outpost alone I have made over $300 in the last 2 months. And that's just for one survey site! I seem to get gift cards and checks in the mail (and emails) constantly throughout the month.
If you are interested in earning some money on the side at home, you should sign up with all of these sites, and do as many surveys as you can! At first you will see a lot of surveys that say you don't qualify - but keep trying! The more you try, the more you qualify more, and the more they will email you! I'm actually at the point that I get SO many surveys I have to delete a lot because I just don't have the time to do them all. Plus, a lot of the times when you don't qualify for a survey - you still get points for attempting them.
So I've compiled the following list of survey sites I use to supplement a nice little side income! Some pay with checks, some pay with Paypal, some pay with gift cards. Check them all out and see what works for you!